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![Pierre-Louis Bossart](/assets/img/avatar_default.png)
We've been using a default firmware name for each PCI/ACPI/OF platform for a while. The machine-specific sof_fw_filename is in practice not different from the default, and newer devices don't set this field, so let's remove the redundant definitions. When OEMs modify the base firmware, they can keep the same firmware name but store the file in a separate directory. Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20220301194903.60859-2-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
186 lines
5.6 KiB
C
186 lines
5.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only
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*
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* Copyright (C) 2013-15, Intel Corporation. All rights reserved.
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*/
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#ifndef __LINUX_SND_SOC_ACPI_H
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#define __LINUX_SND_SOC_ACPI_H
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#include <linux/stddef.h>
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#include <linux/acpi.h>
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#include <linux/mod_devicetable.h>
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struct snd_soc_acpi_package_context {
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char *name; /* package name */
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int length; /* number of elements */
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struct acpi_buffer *format;
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struct acpi_buffer *state;
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bool data_valid;
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};
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/* codec name is used in DAIs is i2c-<HID>:00 with HID being 8 chars */
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#define SND_ACPI_I2C_ID_LEN (4 + ACPI_ID_LEN + 3 + 1)
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#if IS_ENABLED(CONFIG_ACPI)
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/* acpi match */
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struct snd_soc_acpi_mach *
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snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
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bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
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struct snd_soc_acpi_package_context *ctx);
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/* check all codecs */
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struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
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#else
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/* acpi match */
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static inline struct snd_soc_acpi_mach *
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snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
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{
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return NULL;
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}
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static inline bool
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snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
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struct snd_soc_acpi_package_context *ctx)
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{
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return false;
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}
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/* check all codecs */
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static inline struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg)
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{
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return NULL;
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}
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#endif
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/**
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* snd_soc_acpi_mach_params: interface for machine driver configuration
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*
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* @acpi_ipc_irq_index: used for BYT-CR detection
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* @platform: string used for HDAudio codec support
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* @codec_mask: used for HDAudio support
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* @common_hdmi_codec_drv: use commom HDAudio HDMI codec driver
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* @link_mask: links enabled on the board
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* @links: array of link _ADR descriptors, null terminated
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* @num_dai_drivers: number of elements in @dai_drivers
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* @dai_drivers: pointer to dai_drivers, used e.g. in nocodec mode
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*/
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struct snd_soc_acpi_mach_params {
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u32 acpi_ipc_irq_index;
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const char *platform;
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u32 codec_mask;
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u32 dmic_num;
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bool common_hdmi_codec_drv;
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u32 link_mask;
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const struct snd_soc_acpi_link_adr *links;
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u32 num_dai_drivers;
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struct snd_soc_dai_driver *dai_drivers;
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};
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/**
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* snd_soc_acpi_endpoint - endpoint descriptor
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* @num: endpoint number (mandatory, unique per device)
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* @aggregated: 0 (independent) or 1 (logically grouped)
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* @group_position: zero-based order (only when @aggregated is 1)
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* @group_id: platform-unique group identifier (only when @aggregrated is 1)
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*/
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struct snd_soc_acpi_endpoint {
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u8 num;
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u8 aggregated;
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u8 group_position;
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u8 group_id;
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};
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/**
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* snd_soc_acpi_adr_device - descriptor for _ADR-enumerated device
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* @adr: 64 bit ACPI _ADR value
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* @num_endpoints: number of endpoints for this device
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* @endpoints: array of endpoints
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* @name_prefix: string used for codec controls
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*/
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struct snd_soc_acpi_adr_device {
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const u64 adr;
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const u8 num_endpoints;
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const struct snd_soc_acpi_endpoint *endpoints;
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const char *name_prefix;
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};
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/**
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* snd_soc_acpi_link_adr - ACPI-based list of _ADR enumerated devices
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* @mask: one bit set indicates the link this list applies to
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* @num_adr: ARRAY_SIZE of devices
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* @adr_d: array of devices
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*
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* The number of devices per link can be more than 1, e.g. in SoundWire
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* multi-drop configurations.
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*/
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struct snd_soc_acpi_link_adr {
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const u32 mask;
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const u32 num_adr;
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const struct snd_soc_acpi_adr_device *adr_d;
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};
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/**
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* snd_soc_acpi_mach: ACPI-based machine descriptor. Most of the fields are
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* related to the hardware, except for the firmware and topology file names.
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* A platform supported by legacy and Sound Open Firmware (SOF) would expose
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* all firmware/topology related fields.
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*
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* @id: ACPI ID (usually the codec's) used to find a matching machine driver.
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* @comp_ids: list of compatible audio codecs using the same machine driver,
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* firmware and topology
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* @link_mask: describes required board layout, e.g. for SoundWire.
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* @links: array of link _ADR descriptors, null terminated.
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* @drv_name: machine driver name
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* @fw_filename: firmware file name. Used when SOF is not enabled.
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* @board: board name
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* @machine_quirk: pointer to quirk, usually based on DMI information when
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* ACPI ID alone is not sufficient, wrong or misleading
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* @quirk_data: data used to uniquely identify a machine, usually a list of
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* audio codecs whose presence if checked with ACPI
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* @pdata: intended for platform data or machine specific-ops. This structure
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* is not constant since this field may be updated at run-time
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* @sof_tplg_filename: Sound Open Firmware topology file name, if enabled
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*/
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/* Descriptor for SST ASoC machine driver */
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struct snd_soc_acpi_mach {
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u8 id[ACPI_ID_LEN];
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const struct snd_soc_acpi_codecs *comp_ids;
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const u32 link_mask;
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const struct snd_soc_acpi_link_adr *links;
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const char *drv_name;
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const char *fw_filename;
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const char *board;
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struct snd_soc_acpi_mach * (*machine_quirk)(void *arg);
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const void *quirk_data;
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void *pdata;
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struct snd_soc_acpi_mach_params mach_params;
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const char *sof_tplg_filename;
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};
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#define SND_SOC_ACPI_MAX_CODECS 3
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/**
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* struct snd_soc_acpi_codecs: Structure to hold secondary codec information
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* apart from the matched one, this data will be passed to the quirk function
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* to match with the ACPI detected devices
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*
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* @num_codecs: number of secondary codecs used in the platform
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* @codecs: holds the codec IDs
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*
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*/
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struct snd_soc_acpi_codecs {
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int num_codecs;
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u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
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};
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static inline bool snd_soc_acpi_sof_parent(struct device *dev)
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{
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return dev->parent && dev->parent->driver && dev->parent->driver->name &&
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!strncmp(dev->parent->driver->name, "sof-audio-acpi", strlen("sof-audio-acpi"));
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}
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#endif
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